Machine for bending carriage-poles



(No Model.) v

A. G. SNYDER.

MAGEINB POR BBNDING CARRIAGE POLES. No. 309,578. l y Patented Dec. 23, 1884..

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ANDREV G. SNYDER, OF PIQUA, OHIO.

MACHINE FOR BENDING CARRHAGEWPOLES.

SPECIFICATION forming part of Letters Patent No. 309,578, dated December 23, 1884.

Application tiled July 5, 1884. (No model.)

T 0 ctZZ whom, it may concern:

Be it known that I, ANDREW G. SNYDER,a citizen of the United States, residing at Piqua, in the county of Miami and State/of Ohio, have invented certain new and useful Improvements in Machines for Bending Carriage-Poles, of which the following is a full, clear, and eXact description, reference being had to the accompanying d1awings,forming a part of this specification.

The object of my invention is the application to this class of machines of automatic power bending mechanism, whereby the operation of bending can be accomplished more certainly and speedily, and without the employment of manual labor, as heretofore.

The novelty consists in the construction, arrangement, and combination of the parts, all as will be hereinafter set forth and specically claimed.

In the accompanying drawings, Figure l represents a side elevation of a pole-bending machine partly in section and embodying my invention. Fig. 2 is a detail perspective View.

The construction ofthe table and former may be substantially the same as that shown and described in my Patent No. 165,887, of July 20, 1875, so that further description of the parts is not here necessary beyond saying that A is the table; B, the box; C, the cover, D, the fastening, and E the clamping-screw. The recurved former F,for giving the two bends to the end of the pole,niay be the same as that in my patent above referred to. It is provided with the straps u b, to the-former of which is secured the angular abutment c, against which the end of the pole is forced.

G is anyline or power shaft provided with three pulleys, H, I, and J. From the pulley II the belt K extends up' and over a pulley, L, upon a shaft suitably journaled under the table. This shaft also carries a small pinion, llLwhich meshes with a larger pinion,N ,upon a second shaft or winch-shaft, O, to which is secured a chain, I), whose outer end is provided with a detachable hook, d, for engagement with the perforated end of the abutment c. The belt K is normally loose, so that the pulley L does not continuously revolve; but when it is desired to revolve this pulley to wind up the chain l?, and thereby draw down the end of the pole to make the first bend, as seen in the drawings, I employ the tightening idler-pulley e, attached to a horizontally-sliding bar, j', operated by a hand-lever, g, pivoted at h, and also pivoted to the bar f. In this manner the first or outer bend is given to the pole, which is then clamped or locked to the former in the usual or any suitable manner. To one side of the table is a horizontal latererally-extending shaft, R, provided with two pulleys, S and T, the former of which is loose and may be locked to the shaft at will by any suitable clutch mechanism operated by a 1ever, U. The shaft R also carries asmall pinion, i, which meshes with the larger pinion, j, upona shaft carrying also a small pinion, 7c, which meshes with a larger pinion, Z, at or near the end of the table. Suitably secured to the pinion Z is an arm or extension, m, to the outer end of which is a laterally-projecting stud or friction-roller, a.

'V is a curved metal bar having a lower lateral extension to iit under the former at p,and a step or foot, r, adapted to fit over and rest upon the rear top side of the former. This bar is detachable,and is applied to the former after the first bend is made,as shown. Its upper end is so bent in as that the stud or roller n will come in contact with and bear upon it when the pinion Z is revolved, and by this means the second bend is given to the pole, which, afterV it is made, is clamped to the former F and removed from the machine.

To revolve the pinion Z, in order to vibrate the arm m forward to accomplish the bending and backward to restore it to its normal position, belts A B', the latter of which is crossed, extend to and over the pulleys S and T, respectively. The pulley T revolves continuously in the direction of its arrow, while the belt A of the pulley S is loose, so that said pulley only revolves when the slack is taken up. This may be done by the tightening idler-pulley s, supported in a sliding bar, t, operated by a hand-lever, a, pivoted at o. In the drawings the slack of the belt has been taken up to start the pulley S, which, through the medium of the pinions i j 7c Z, oscillates the bar m, which, acting on the lever V, bends the pole, as before described.

To reset the arm m it is only necessary to IOC s2 Y l 309,578

push forward the lever V, permitting the belt l scribed,a chain or cable connecting said Winch A to slack, and then to throw the clutch meehanism intor operation, which locks the pulley T to the shaft R, thus imparting a reversed revolution to the pinions t' j 7.: Z, as will be readily understood.

Having thus fully described my invention, I claiml. The combination, in a pole-bending machine, of a frame or table, suitable pole clamping and supporting devices located thereon, a former arranged on said table and adapted to receive the pole, a shaft journaled on the frame or table adjacent to the former and carrying a Wheel having a projecting portion or detent adapted when the Wheel is rotated to exert a pressure or strain upon said former, devices for rotatingsaid Wheel,and appliances for throwing said wheel into and out of' operation, substantially as set forth.

2. The combination, in a pole-bending` inachine,of a supporting frame or table, suitable pole clamping and supporting devices located thereon, a former situated on said table to receive the pole, and having an angular abutment, c, against which the end ol" the pole is forced and bears, a chain or cable connecting the Winch with said abutment, and means for driving said winch to exert traction on the said abutment to draw the same down to bend its contained pole, substantially as set forth.l

3. The combination, in a pole-bending ma chine, of suitable pole clamping and support ing devices, aformer adapted to receive or bear upon the pole, a Winch, O, journaled as dcwith said former, a band-pulley communicating motion to said Winch, a belt, K, communicating motion to said band-pulley, a friction-pulley, S,and means for moving said pulley to exert a pressure on said belt K, substantially as set forth.

4. The combination, in a pole-bending machine, of a frame or table, a recurved former located thereon and adapted to receive or engage the end portion of the pole, a lever-bar embracing its forward lower and rear upper side, as described,a wheel mounted on ashaft journaled in the frame adjacent to said former, and an arm or detent having a projection and secured to said Wheel, the said projection being adapted to engage said bar when said Wheel is rotated, and means for rotating said Wheel, substantially as set forth.

5. llhe combination, in a pole-bending Inachine, of a frame or table, a former located thereon to receive the end portion of the pole, a shaft journaled in the frame or table adjacent to the former, a Wheel mounted on said shaft and provided with an arm carrying a friction-roller for the purpose described, means for driving said Wheel, prime actuating means connecting belts A B', clutch mechanism U, tightening idler-pulley s, and appliances for operating the same, substantially as set forth.

p ANDREW G. SNYDER.

W'itnesse's: Y

f WM. J. T. WiLsoN,

OTTO RICHTER. 

